Sterling 350-2100 CFM Auxiliary Process Safety System Optional, Seven Day Timer Optional

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•Press again to move one digit to the right. Then press to display the desired value.

•Follow this procedure to set all four digits.

•When satisfied with the value displayed, press to save the new value to the regeneration monitor's memory, and move on to the next parameter, if desired.

•Press repeatedly to review the new settings.

5-12 Auxiliary Process Safety System (Optional)

This option provides an extra level of protection from hopper meltdown due to a runaway heat condition such as a fused heater contactor. When triggered, this system will drop out high voltage to all heater contactors and blowers. This drastic action, to protect the resin and the drying hopper, will only occur if a high temperature condition is not first handled by the ¼ DIN control [Section 4-1] on the dryer subpanel and/or the heater contactor(s) is/are fused.

This system must be manually reset by pressing the OVERTEMP RESET button after fixing the problem.

This option uses a signal processor identical to the one used in the regeneration monitoring system. It monitors the process temperature through a thermocouple mounted at the drying hopper inlet. Only one of the setpoints [H] is used. See Section 5-11 for instructions on setting the H setpoint.

The H setpoint should be the highest temperature tolerable at the drying hopper, before resin or drying hopper degradation occurs. This temperature varies depending on the resin and the drying temperature, but a suggested starting temperature is 75°F above the drying temperature.

5-13 Seven Day Timer (Optional)

The seven day timer can be programmed for weekly ON/OFF operation of up to sixteen setpoints. An internal battery back-up holds the settings in memory when the dryer is de-energized.

The dryer's Power toggle switch must be in the "ON" position for normal or programmed dryer operation.

•To bypass programmed operation, switch the manual override switch on the seven day timer to the "ON" position.

•To execute programmed operations, set the manual override switch on the seven day timer to the "RUN" position.

•To de-energize the seven day timer, set the manual override switch to the "OFF" position.

The dryer will not run if the timer switch is "OFF".

Program 1 is operational, Program 2 is not used.

350-2100 cfm Dryers

Chapter 5: Startup, Shutdown & Operation

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Contents SDA Series 350 2100 CFM Large Dehumidifying DryersWrite Down Your Serial Numbers Here For Future Reference Shipping Info Table of Contents Maintenance Safety Symbols Used in this Manual SafetyHow to Use This Manual Safety Tag Information Dryer Safety TagsWear Safety Glasses and Work Gloves Operator Responsibility ResponsibilityGeneral Responsibility Maintenance Responsibility RememberReporting a Safety Defect Typical Features and Components Optional FeaturesFunctional Description Models Covered in This ManualProcess/Regeneration Cycle What is Desiccant?Closed Loop Drying System Cfm Dryers Functional Description TOP View Left Side View Installation Work RulesElectrical Connections Check For Proper Blower RotationAftercooler Cooling Water Connection Drying Hopper Air TrapTypical Control Panel Control Panel Indicator Lights Control PanelProcess Blower Failure Alarm Switches and Meters Valve Position ErrorProcess Air Temperature Controller PLC ControlProcess Air Temperature Controller Temperature Controller LED Indicators Process Value Numeric LEDTemperature Controller Keys See in Section Optional Communications ProtocolsStartup Startup, Shutdown & OperationPre-Startup Checks Setting the Process Air Temperature Setting the High and Low Temperature AlarmsTo Change the Process Air High Temperature Alarm Setting ShutdownTemperature Controller Autotune Procedure Temperature Controller Internal SwitchesTemperature Controller Anti-Tamper Lockout Switch Enabling the Lockout FeatureTo Change the Dewpoint Shift Point Setting the Dewpoint Extend Shift PointChanging the Display from Fahrenheit to Centigrade Regeneration Monitoring System Signal Processor LL Setpoint Low Regeneration Alarm Setpoint 130FSetpoint Regeneration Blower Shutdown Temp 160F HH Setpoint Heater Cut Off Temp 300FAuxiliary Process Safety System Optional Seven Day Timer OptionalSetting the Current Day of the Week, Hour and Minute Setting the start up timeSet the days of the week for automatic operation Setting the stop timePut the timer into Run mode Servicing the Process Air Filters Models MaintenanceFilter Cleaning/Replacement Filter Cleaning/Replacement Servicing the Process Air Filters Models 850 throughServicing the Regeneration Filter Dirty Filter Alarm CalibrationTo Clean the Regeneration Filter To check the dewpoint sensor and dewpoint control board Dewpoint Control System ServiceSymptoms of Worn Out Desiccant Desiccant Replacement Procedure First AIDProcess Heater Replacement Procedure Desiccant Amounts RequiredRegeneration Heater Replacement Procedure Spots and lead to premature heater failureRestoring a Temperature Controller to the Factory Setup Switch To select a setting 10F Process Temperature Control Error Messages Regeneration Monitor Signal Processor Error Messages Regeneration Monitor Advanced Programming Moving Between LevelsInput Shift SetpointsHysteresis Security Protection Display Refresh Cycle Sensor Input TypeScale Indication Troubleshooting Problem Possible Cause Corrective ActionProblem Possible Cause Corrective Action Problem Possible Cause Corrective Action Warranty Returns AppendixReturned Material Policy Credit ReturnsCfm Dryers Appendix Preventive Maintenance Checklist Dehumidifying Dryers Service Department Technical AssistanceParts Department Sales Department

350-2100 CFM specifications

The Sterling 350-2100 CFM is a high-performance ventilation system that effectively addresses the needs of various industrial and commercial applications. This versatile unit is designed to provide optimal air movement, offering flow rates spanning from 350 to 2100 cubic feet per minute (CFM). Its capabilities make it ideal for environments that require robust air circulation, such as warehouses, factories, and workshops.

One of the standout features of the Sterling 350-2100 CFM is its energy-efficient motor. The unit is equipped with a reliable and durable drive system, allowing for lower energy consumption while maintaining high performance. This not only reduces operational costs but also contributes to a greener footprint, making it an attractive option for businesses looking to enhance sustainability.

The ventilation system is designed with an advanced aerodynamic blade technology that maximizes airflow and minimizes noise levels. This allows for a more comfortable working environment by reducing the disruption typically associated with high-velocity air movement. Additionally, the integrated sound-dampening features ensure that it operates quietly, making it suitable for noise-sensitive areas.

The Sterling 350-2100 CFM also incorporates a user-friendly control panel, which allows for easy adjustments and monitoring of airflow levels. This system can be tailored to specific ventilation requirements, ensuring optimal performance in diverse settings. For added convenience, some models come with remote control capabilities, allowing operators to manage airflow from a distance.

Durability is a key characteristic of the Sterling 350-2100 CFM. The unit is constructed with high-grade materials that resist wear and tear, providing long-lasting service even in challenging environments. The weather-resistant design further enhances its suitability for outdoor applications.

Moreover, the system can be easily integrated with existing HVAC setups, providing flexibility and compatibility without extensive modifications. Maintenance is also simplified, with easily accessible components for routine checks and servicing.

In summary, the Sterling 350-2100 CFM ventilation system stands out for its combination of energy efficiency, quiet operation, and robust design. With its innovative technologies and user-friendly features, it meets the demands of modern industrial and commercial spaces while ensuring optimal air quality and comfort for occupants.
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